025--HaichengLi-XiaoWang.pdf

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1、Soft-ISA:kernel built-in emulation engine to extend RISC-V silicon ISA capabilityHaicheng Li Xiao Wang Intel ConfidentialDepartment or Event Name2RISC-V Summit China 20242Legal Notices and DisclaimersStatements in this document that refer to future plans or expectations are forward-looking statement

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5、tel,the Intel logo,and other Intel marks are trademarks of Intel Corporation or its subsidiaries.Other names and brands may be claimed as the property of others.This document contains information on products and/or processes in development.Intel ConfidentialDepartment or Event Name3RISC-V Summit Chi

6、na 20243Challenge of Compatibility RISCV Advantages Highly customizable ISA Die size-PnP efficiency Fast evolving ISA extensions RISCV Pain Points HW profiles vs.Chip diversity Software compatibility HW readiness vs Fast evolving ISARISC-V SoC(w/o RVV)Android AOSP3rd Party APP(w/RVVV 1.0)illegal and